A fish of the family Priacanthidae, characterized by large, luminous eyes, often found in deep ocean waters.
From 'glass' + 'eye'; the name refers to the distinctive large, transparent or gleaming eyes of these fish, which appear glass-like.
Glassfish and glasseye fish have huge eyes because they live in the deep ocean where even a tiny amount of light is precious—their enormous eyes gather every photon they can to navigate the darkness!
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